/Engine/Source/Editor/Sequencer/Public/ISequencerModule.h
Generic sequencer channel interface to any channel type
template<typename ChannelType> struct TSequencerChannelInterface : public [TSequencerChannelInterfaceBase< ChannelType,!std::is_same_v< TMovieSceneChannelTraits< ChannelType >::ExtendedEditorDataType, void > >](API\Editor\Sequencer\TSequencerChannelInterfaceBase)